Ralf Ackermann brings us up to date on wearable computing devices, developed as part of the non-commercial research efforts of the Multimedia Communications Lab (KOM) at Darmstadt University of Technology in Germany. Ackerman examines the center's latest design, and provides many references and resources in this article . . .

“This 'second generation' iPAQ-based wearable prototype is much easier to handle, mainly due to the smaller and lighter weight display and also because it needs much less dedicated hardware.”

“As a result of the device's unusual input/output facilities — a small head-mounted or PDA 'screen', along with 'typing while walking' using a single-handed chording keyboard — which are quite different from our familiar desktop computing environments, the whole area of experimenting with new ways of interacting with the device is very interesting to study . . .”

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